Description

3,4-Isopropylidene-6,6-Dimethyltetrahydro-2H-Pyran-2-One is a high-purity, specialized lactone derivative with a unique bicyclic structure. This compound serves as a critical advanced intermediate and chiral building block for the synthesis of complex organic molecules. It is primarily sought after by research and development teams in the pharmaceutical and fine chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, particularly in areas requiring complex stereochemistry.
• Fine Chemical Synthesis: Used as a versatile building block for synthesizing specialty chemicals, flavors, and fragrances.
• Agrochemical Research: Employed in the development of advanced, high-efficacy crop protection agents and pesticides.
• Academic & Industrial R&D: Serves as a valuable reagent in methodological studies and process chemistry for constructing oxygen-containing heterocycles.
• Material Science Precursor: Potential use in the synthesis of monomers or additives for specialized polymers and advanced materials.

Basic Information

Product Name	3,4-Isopropylidene-6,6-Dimethyltetrahydro-2H-Pyran-2-One
CAS No.	22841-82-3
Molecular Formula	C₁₀H₁₆O₃
Molecular Weight	184.23 g/mol
Synonyms	6,6-Dimethyl-3,4-O-isopropylidene-tetrahydro-2H-pyran-2-one; 3,4-O-Isopropylidene-6,6-dimethyltetrahydro-2H-pyran-2-one; 6,6-Dimethyl-3,4-O-(1-methylethylidene)tetrahydro-2H-pyran-2-one; 2H-Pyran-2-one, tetrahydro-6,6-dimethyl-3,4-(1-methylethylidene)-; 3,4-Isopropylidenedioxy-6,6-dimethyl-tetrahydropyran-2-one; Dihydro-6,6-dimethyl-3,4-O-isopropylidene-2H-pyran-2(3H)-one; (3aR,6S,6aS)-6,6-Dimethyl-3a,4,6,6a-tetrahydro-2H-cyclopenta[b]furan-2-one (related stereoisomer).
EINECS	Contact for details

Quality Control

Our 3,4-Isopropylidene-6,6-Dimethyltetrahydro-2H-Pyran-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis where applicable, to ensure it meets precise customer specifications and high-purity standards for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Typical 98.0% - 99.5%)
Melting Point	Contact for details
Specific Rotation (if chiral)	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.